Automatic chemical testing apparatus

ABSTRACT

A DISCRETIONARY AUTOMATED CHEMICAL TESTING APPARATUS FOR CONDUCTING MULTIPLE CHEMICAL TESTS ON A PLURALITY OF SAMPLES. A LOOP CONVEYOR CARRYING ROWS OF TUBES ALONG VARIOUS STATIONS AT WHICH STEPS IN CHEMICAL TESTING IS PERFORMED WITH A SAMPLE DISPENSING ASSEMBLY PICKING UP AND DISPENSING TEST SAMPLES IN THE TUBES, A REAGENT DISPENSING ASEEMBLY METERING DESIRED AMOUNTS OF REAGENTS AT THE PROPER STATIONS, HEATING MEANS AT THE STATIONS AS REQUIRED FOR THE CHEMICAL TESTS BEING PERFORMED, A TESTING ASSEMBLY ANALYZING THE RESULTS, TUBE CLEANING AND DRYING MEANS PREPARING THE TUBES FOR REUSE, AND CONTROL MEANS SELECTIVELY CONTROLLING THE SEQUENTIAL AND MULTIPLE ANALYSIS.   D R A W I N G

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